I just bought a Sig516 upper on a whim, I have a few DI guns but this is my first piston gun.
I usually keep parts like gas tubes on hand. Is there anything I should have extras of for this upper?
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I just bought a Sig516 upper on a whim, I have a few DI guns but this is my first piston gun.
I usually keep parts like gas tubes on hand. Is there anything I should have extras of for this upper?
Sent from my SM-N975U using Tapatalk
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